/**
 * [contentType 客户端输入文件头类型]
 * @type {Object}
 */
module.exports = {
  "css"   :   "text/css",
  "gif"   :   "image/gif",
  "htm"   :   "text/html;charset=utf-8",
  "html"  :   "text/html;charset=utf-8",
  "ico"   :   "image/x-icon",
  "jpeg"  :   "image/jpeg",
  "jpg"   :   "image/jpeg",
  "js"    :   "text/javascript",
  "json"  :   "application/json",
  "pdf"   :   "application/pdf",
  "png"   :   "image/png",
  "svg"   :   "image/svg+xml",
  "swf"   :   "application/x-shockwave-flash",
  "tiff"  :   "image/tiff",
  "txt"   :   "text/plain",
  "wav"   :   "audio/x-wav",
  "wma"   :   "audio/x-ms-wma",
  "wmv"   :   "video/x-ms-wmv",
  "xml"   :   "text/xml"
};